This study is a absolute lie. The reason D2 seems 1/3 less is bc your body absorbed it & split. The leftovers = 25 hydroxy D3. The last 2 slides I was on d3 only- I was missing a whole hormone & SICK w/ #covid #secondaryhyperparathyroidism #complexhormone https://t.co/WgzfkdpZFy https://t.co/CIi6x1UXF2
Vitamin D2 is much less effective than vitamin D3 in humans.
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Nov 2014 – Jun 2025Where it's discussed
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What people are saying
This post exemplifies skepticism towards the research by claiming the findings are false and sharing personal health struggles linked to vitamin D, with language that is confrontational and emotional, which diminishes perceived impact but suggests some individual-level engagement.
The post strongly disputes the publication, indicating disagreement with the findings and claiming the study is false.
The discussion shows some curiosity about the topic, especially regarding vitamin D metabolism and health issues.
The user shares a personal experience and questions the science, indicating some engagement but not deep analysis.
The post dismisses the study's validity, suggesting it has minimal influence on changing perceptions or practices.
Abstract in brief
- Vitamin D2 is significantly less effective than vitamin D3 in humans, with D2 showing a potency of less than one third of D3 based on serum 25-hydroxyvitamin D levels.
- Both D2 and D3 are absorbed similarly, but D3 leads to a sustained increase in vitamin D levels over time, while D2 levels decline rapidly after initial elevation.
- Physicians should be aware that vitamin D2 has a shorter duration of action and lower potency, which may impact its effectiveness in treating vitamin D deficiency.
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This study is a absolute lie. The reason D2 seems 1/3 less is bc your body absorbed it & split. The leftovers = 25 hydroxy D3. The last 2 slides I was on d3 only- I was missing a whole hormone & SICK w/ #covid #secondaryhyperparathyroidism #complexhormone https://t.co/WgzfkdpZFy https://t.co/CIi6x1UXF2
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